netlib.org - dns.ninja

netlib.org

DNSSEC⚠️ Not signed
A2606:4700::6812:1804🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A2606:4700::6812:1904🇺🇸 Cloudflare2606:4700::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.24.4Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
A104.18.25.4Cloudflare104.18.16.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US ✓ In HTTPS hints
NSmacy.ns.cloudflare.com ⭐
A2606:4700:50::a29f:264e🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A2803:f800:50::6ca2:c24e🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRmacy.ns.cloudflare.com
A2a06:98c1:50::ac40:224e🇺🇸 Cloudflare2a06:98c1:50::/45
PTRmacy.ns.cloudflare.com
A108.162.194.78🇺🇸 Cloudflare108.162.194.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A162.159.38.78Cloudflare162.159.32.0/20 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
A172.64.34.78🇺🇸 Cloudflare172.64.34.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRmacy.ns.cloudflare.com
NSsid.ns.cloudflare.com
A2606:4700:58::adf5:3b8f🇺🇸 Cloudflare2606:4700:50::/44 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A2803:f800:50::6ca2:c18f🇨🇷 Cloudflare2803:f800:50::/45 LACNIC generated route6 for CloudFlare Latin America S.R.L
PTRsid.ns.cloudflare.com
A2a06:98c1:50::ac40:218f🇺🇸 Cloudflare2a06:98c1:50::/45
PTRsid.ns.cloudflare.com
A108.162.193.143🇺🇸 Cloudflare108.162.193.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A172.64.33.143🇺🇸 Cloudflare172.64.33.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
A173.245.59.143🇺🇸 Cloudflare173.245.59.0/24 , Inc. 101 Townsend Street, San Francisco, California 94107, US
PTRsid.ns.cloudflare.com
MXnetlib-org.mail.protection.outlook.com ⭐
A2a01:111:f403:c902::3🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-sj0pr03cu01703.inbound.protection.outlook.com
A2a01:111:f403:c902::16🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-byapr04cu00306.inbound.protection.outlook.com
A2a01:111:f403:c91d::a🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-co1pr21cu00202.inbound.protection.outlook.com
A2a01:111:f403:f902::1🇺🇸 Microsoft2a01:111:f000::/36
PTRmail-bl2pr02cu00101.inbound.protection.outlook.com
A52.101.10.2🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
A52.101.10.5🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
PTRmail-bn6pr04cu00105.inbound.protection.outlook.com
A52.101.41.58🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
A52.101.194.12🇺🇸 Microsoft52.96.0.0/12 MICROSOFT
TXTMS=ms24564271
TXTv=spf1 include:spf.protection.outlook.com -all
HTTPSHTTP/2 ✓ hints match
IPv4 hints104.18.24.4, 104.18.25.4
IPv6 hints2606:4700::6812:1804, 2606:4700::6812:1904
SOAmacy.ns.cloudflare.comdns@cloudflare.com serial=2408920651

org

DNSSEC🔒 Signed (DS record present)
NSa0.org.afilias-nst.info ⭐ ⚠️ Not in parent delegation
NSa2.org.afilias-nst.info ⚠️ Not in parent delegation
NSb0.org.afilias-nst.org
NSb2.org.afilias-nst.org
NSc0.org.afilias-nst.info ⚠️ Not in parent delegation
NSd0.org.afilias-nst.org
SOAa0.org.afilias-nst.infohostmaster@donuts.email serial=1783448633
rank #14371 globally
rank #1628 in the tld
WOT: SAFE (88/100)
📈 Tranco rank: #50,868

Subdomains

ftp.netlib.org
www.netlib.org

Same first word

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netlib.net

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intelb.com

DNS History

14 records (7 active, 7 former)

20162017201820192020202120222023202420252026NSmacy.ns.cloudflare.comsid.ns.cloudflare.comns0.utk.eduns1.utk.eduns2.utk.eduramoth.ns.utk.eduMXnetlib-org.mail.protection.outlook.comnetlib2.cs.utk.eduA104.18.24.4104.18.25.42606:4700::6812:18042606:4700::6812:1904160.36.131.221160.36.239.231
●NSmacy.ns.cloudflare.com2026-07-07 → 2026-07-07 · 2 obs
○ 2016-08-07 17:02:20
● 2026-07-07 18:47:46
○NSns0.utk.edu2015-07-25 → 2016-08-07 · 3 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-07-07 18:47:46
○NSns1.utk.edu2015-07-25 → 2016-08-07 · 3 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-07-07 18:47:46
○NSns2.utk.edu2015-07-25 → 2016-08-07 · 3 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-07-07 18:47:46
○NSramoth.ns.utk.edu2015-07-25 → 2016-08-07 · 3 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-07-07 18:47:46
●NSsid.ns.cloudflare.com2026-07-07 → 2026-07-07 · 2 obs
○ 2016-08-07 17:02:20
● 2026-07-07 18:47:46
●MXnetlib-org.mail.protection.outlook.com2026-02-21 → 2026-07-07 · 3 obs
○ 2016-08-07 17:02:20
● 2026-02-21 15:20:50
● 2026-07-07 18:47:46
○MXnetlib2.cs.utk.edu2015-07-25 → 2016-08-07 · 4 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-02-21 15:20:50
○ 2026-07-07 18:47:46
●A104.18.24.42026-07-07 → 2026-07-07 · 2 obs
○ 2026-02-21 15:20:50
● 2026-07-07 18:47:46
●A104.18.25.42026-07-07 → 2026-07-07 · 2 obs
○ 2026-02-21 15:20:50
● 2026-07-07 18:47:46
○A160.36.131.2212015-07-25 → 2016-08-07 · 4 obs
● 2015-07-25 13:37:16
● 2016-08-07 17:02:20
○ 2026-02-21 15:20:50
○ 2026-07-07 18:47:46
○A160.36.239.2312026-02-21 → 2026-02-21 · 3 obs
○ 2016-08-07 17:02:20
● 2026-02-21 15:20:50
○ 2026-07-07 18:47:46
●A2606:4700::6812:18042026-07-07 → 2026-07-07 · 2 obs
○ 2026-02-21 15:20:50
● 2026-07-07 18:47:46
●A2606:4700::6812:19042026-07-07 → 2026-07-07 · 2 obs
○ 2026-02-21 15:20:50
● 2026-07-07 18:47:46

🔍 DNS Trace

📋 Delegation Chain

ZoneNameserversGlue
orgb2.org.afilias-nst.org, d0.org.afilias-nst.org, b0.org.afilias-nst.org-
netlib.orgmacy.ns.cloudflare.com, sid.ns.cloudflare.com-

✅ Authoritative Response

Server:172.64.34.78

NS records: macy.ns.cloudflare.com, sid.ns.cloudflare.com

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for netlib.org (unsigned zone)

⏱️ Timing

Total: 363ms | Queries: -

📄 Records

TypeCountSample Data
A2104.18.25.4, 104.18.24.4
AAAA22606:4700::6812:1804, 2606:4700::6812:1904
NS2macy.ns.cloudflare.com, sid.ns.cloudflare.com
MX1netlib-org.mail.protection.outlook.com (
TXT2MS=ms24564271, v=spf1 include:spf.protection.outlook.co
HTTPS1{"priority":1,"target":".","alpn":["h2"]
SOA1macy.ns.cloudflare.com dns.cloudflare.co

Analysis

Hierarchy

netlib.org is the parent domain of ftp.netlib.org and www.netlib.org.

IP Addresses

netlib.org points to the four IP addresses 104.18.24.4, 104.18.25.4, 2606:4700::6812:1804 and 2606:4700::6812:1904.

Additional host names — www.knowablemagazine.org, www.minecraftskins.com, www.rnpn.gob.sv and two others — share IP numbers with netlib.org.

Name Servers

DNS delegation for netlib.org points to two name servers: macy.ns.cloudflare.com and sid.ns.cloudflare.com.

netlib.org shares its name server setup with other domains, including fifthdimension.com.au, gfu.red, cars245images.cc and two others.

The name servers of netlib.org overlap at least partially with those of other domains — among them chiangmaiservicedapartments.com, climatemodel.info, hatxxoopow.com and two more.

These name servers commonly appear in combination with the name servers sage.ns.cloudflare.com.

Host names with 6 IP numbers:

macy.ns.cloudflare.com has IP addresses 108.162.194.78, 162.159.38.78 and 172.64.34.78, plus 3 other.

sid.ns.cloudflare.com has IP addresses 108.162.193.143, 172.64.33.143 and 173.245.59.143, plus 3 other.

Mail Servers

netlib.org has one mail server: netlib-org.mail.protection.outlook.com.

netlib-org.mail.protection.outlook.com points to 8 IP numbers: 52.101.10.2, 52.101.10.5, 52.101.41.58 and 5 other.